该标识符比方说可用来不延迟地转发对延迟时间敏感的信息包，使得对错误敏感的信息包存储以便可能的再发送。
This identifier can, for example, enable forwarding of latency-sensitive packets without delay and allow error-sensitive packets to be stored for possible retransmission.
该标识符比方说可用来不延迟地转发对延迟时间敏感的信息包，使得对错误敏感的信息包存储以便可能的再发送。
This identifier can, for example, enable forwarding of latency-sensitive packets without delay and allow error-sensitive packets to be stored for possible retransmission.
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